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Hammelmann Maschinenfabrik Gmbh

USPTO Granted Patents = 10

EPO Patents = 4

Trademarks = 2

Forward Citations = 124

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14 inventors (with patents filed for the assignee):

Michael Jarchau (7 out of 10 patents)

Egbert Helmig (3 out of 3 patents)

Manfred Reimann (2 out of 2 patents)

4. Paul Schoening (1 out of 1 patent)

5. Alwin Göring (1 out of 1 patent)

6. Walter Burger (1 out of 1 patent)

7. Dominic Krautwurst (1 out of 1 patent)

8. Axel Sommerkamp (1 out of 1 patent)

9. Alwin Goering (1 out of 1 patent)

10. Christoph Bednorz (1 out of 1 patent)

11. Paul Schöning (1 out of 1 patent)

12. Burkhard Helmig (1 out of 2 patents)

13. Hermann Frye-Hammelmann (1 out of 3 patents)

14. Stephan Notzon (1 out of 1 patent)

15. Heinz Rickmann (0 patent)

10 patents: Sort by Forward Citations

1. 9475103 - Device for cleaning container interior walls (2016-10-25),

2. 8561918 - Nozzle and method for treating an interior of a workpiece (2013-10-22),

3. 8240634 - High-pressure valve assembly (2012-08-14),

4. 7780100 - Nozzle head (2010-08-24),

5. 7243865 - Nozzle for generating a high-pressure jet (2007-07-17),

6. 7083124 - Spray gun (2006-08-01),

7. 6913266 - Sealing device (2005-07-05),

8. 6840315 - Device for cleaning an inner pipe inserted into a gas or oil producing well (2005-01-11),

9. 6684133 - Control arrangement for a high-pressure cleaning system (2004-01-27),

10. 6622612 - Pump, particularly plunger pump (2003-09-23),

Hammelmann Maschinenfabrik GmbH is a German manufacturer of high-pressure pump systems and tools for industrial applications. With a history dating back to 1949, Hammelmann is known for its reliable and high-quality products that are used in various industries including metal processing, petrochemical, and automotive. The company's innovative solutions and expert engineering make them a trusted partner for clients worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

10 Patents

#5 in Oelde

#3,712 in Germany

#54,268 in the World

Hammelmann Maschinenfabrik Gmbh

Forward Citations = 124

14 inventors:

Michael Jarchau (7 out of 10 patents)

Egbert Helmig (3 out of 3 patents)

Manfred Reimann (2 out of 2 patents)

4. Paul Schoening (1 out of 1 patent)

5. Alwin Göring (1 out of 1 patent)

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